Affiliation: | Departments of Biology (B.L.M., J.M.G., M.K., A.N., A.L., J.L.N.) and Pharmacology (H.M., T.R.H., N.Z.), University of Washington, Seattle, Washington 98195;;Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany (A.H., L.I.A.C.V.); and;Howard Hughes Medical Institute, Chevy Chase, Maryland 20815 (N.Z.) |